High temperature resistant reticulated foam structure and process
US5154970A · kind A · utility
28Cited by
1References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1991 |
| Grant date | Oct 13, 1992 |
| Priority date | — |
| Expiry date | Jul 16, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/30
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A high temperature resistant reticulated porous foam structure for use as a diesel emission particulate trap. A reticulated porous foam substrate which is capable of maintaining its structural integrity at temperatures in excess of approximately 2500, and preferably 2700, degrees Fahrenheit is coated with a formed in situ oxidation resistant coating which extends substantially throughout the interstices of the porous foam structure. The coating comprises very thin alternate layers of silicon carbide and a carbide formed from a Group IVA metal which has a melting point in excess of approximately 1850 degrees Centigrade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.